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What is the additive inverse of 2 - 4i ? 

Option: 1

-2 - 4i


Option: 2

-2 + 4i


Option: 3

-2 - 4i


Option: 4

2 + 4i


Answers (1)

best_answer

Properties of Addition of Complex Numbers -

Additive inverse : To every complex number z = a + ib, we have the complex number – a + i(– b) (denoted as – z), called the additive inverse or negative of z, such that z + (-z) = 0 (-z is additive inverse).

Now,

Given complex number is 2 - 4i.

For a complex number z, the additive inverse is (-z)

so its additive inverse is -(2 - 4i) = -2 + 4i

Posted by

jitender.kumar

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